Adjustable tennis net holding device



FIG. 1 is a front perspective view of an adjustable tennis net holding device showing my new design, and shown in operative association with a tennis net and ground anchoring means, not parts of this invention;

FIG. 2 is a side view thereof, the unshown opposite side being of mirror-image appearance;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof. 

The ornamental design for an adjustable tennis net holding device, as shown and described. 